ADM3491ARZ-REEL
Interface ICs
Technical Specifications
| Type | Description |
|---|---|
| Data Rate | 10 Mbps |
| Quiescent Current | 1.1 mA |
| Nodes | 32 |
| Communication Mode | Full-Duplex |
| Number of Drivers | 1 |
| Number of Receivers | 1 |
| Type | Description |
|---|---|
| Supply Voltage | 3V~3.6V |
| Type | Transceiver |
| Operating Temperature | -40°C~+85°C |
| Features | Tx/Rx enable;Enable shutdown;Overcurrent Protection;Thermal shutdown protection;Low-power mode |
| Package / Case | SOIC-14 |
Product Introduction
The ADM3483/ADM3485/ADM3488/ADM3490/ADM3491 are low power, differential line transceivers designed to operate using a single 3.3V power supply. Low power consumption, coupled with a shutdown mode, makes the ADM3483/ADM3485/ADM3488/ ADM3490/ADM3491 ideal for power- sensitive applications.
The ADM3488/ADM3490/ADM3491 feature full- duplex communication, while the ADM3483/ADM3485 are designed for half- duplex communication.
The ADM3483/ADM3488 feature slew rate limited drivers that minimize EMI and reduce reflections caused by improperly terminated cables, allowing error- free data transmission at data rates up to 250 kbps.
The ADM3485/ADM3490/ADM3491 transmit at up to 10 Mbps. The receiver input impedance is 12 kΩ allowing up to 32 transceivers to be connected on the bus. A thermal shutdown circuit prevents excessive power dissipation caused by bus contention or by output shorting. If a significant temperature increase is detected in the internal driver circuitry during fault conditions, then the thermal shutdown circuit forces the driver output into a high impedance state. If the inputs are unconnected (floating), the receiver contains a fail- safe feature that results in a logic high output state. The parts are fully specified over the commercial and industrial temperature ranges. The ADM3483/ADM3485/ ADM3488/ADM3490 are available in 8- lead SOIC_N; the ADM3491 is available in a 14- lead SOIC_N.
Features
- Operate with 3.3 V supply
- Interoperable with 5 V logic
- EIA RS- 422 and RS- 485 compliant over full common- mode range
- Data rate options ADM3483/ADM3488:250 kbps ADM3485/ADM3490/ADM3491:10 Mbps
- Half- and full- duplex options
- Reduced slew rates for low EMI (ADM3483 and ADM3488)
- 2 nA supply current in shutdown mode (ADM3483/ADM3485/ADM3491)
- Up to 32 transceivers on the bus
- 7V to +12V bus common- mode range
- Specified over the - 40°C to +85°C temperature range
- 8 ns skew (ADM3485/ADM3490/ADM3491)
- 8- lead SOIC and 14- lead SOIC (ADM3491 only) packages
Applications
- Low power RS- 485/RS- 422 applications
- Telecom
- Industrial process control
- HVAC
Datasheet
Alternative Parts
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Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS3 |
| ECCN | EAR99 |
| CNHTS | 8542399000 |
| USHTS | 8542390001 |
| TARIC | 8542399000 |
| Type | Details |
|---|---|
| CAHTS | 8542390000 |
| BRHTS | 85423999 |
| INHTS | 85423900 |
| MXHTS | 8542.39.99 |
Sourcing Information
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